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posix-timers: Convert clock_nanosleep_restart to clockid_to_kclock()

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Use the new kclock decoding function in clock_nanosleep_restart.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <johnstul@us.ibm.com>
Tested-by: Richard Cochran <richard.cochran@omicron.at>
LKML-Reference: <20110201134418.131263211@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-02-01 13:51:17 +00:00
parent a5cd288010
commit 59bd5bc24a
1 changed files with 8 additions and 12 deletions
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20
kernel/posix-timers.c
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@ -277,12 +277,14 @@ static __init int init_posix_timers(void)
struct k_clock clock_realtime = {
.clock_getres = hrtimer_get_res,
.nsleep = common_nsleep,
.nsleep_restart = hrtimer_nanosleep_restart,
};
struct k_clock clock_monotonic = {
.clock_getres = hrtimer_get_res,
.clock_get = posix_ktime_get_ts,
.clock_set = do_posix_clock_nosettime,
.nsleep = common_nsleep,
.nsleep_restart = hrtimer_nanosleep_restart,
};
struct k_clock clock_monotonic_raw = {
.clock_getres = hrtimer_get_res,
@ -1026,23 +1028,17 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags,
return kc->nsleep(which_clock, flags, &t, rmtp);
}
/*
* nanosleep_restart for monotonic and realtime clocks
*/
static int common_nsleep_restart(struct restart_block *restart_block)
{
return hrtimer_nanosleep_restart(restart_block);
}
/*
* This will restart clock_nanosleep. This is required only by
* compat_clock_nanosleep_restart for now.
*/
long
clock_nanosleep_restart(struct restart_block *restart_block)
long clock_nanosleep_restart(struct restart_block *restart_block)
{
clockid_t which_clock = restart_block->arg0;
struct k_clock *kc = clockid_to_kclock(which_clock);
return CLOCK_DISPATCH(which_clock, nsleep_restart,
(restart_block));
if (WARN_ON_ONCE(!kc || !kc->nsleep_restart))
return -EINVAL;
return kc->nsleep_restart(restart_block);
}